CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands		Total	Common Stock Member	Additional Paid In Capital Member	Retained Earnings Member	Accumulated Other Comprehensive Loss Member	Treasury Stock
Beginning Balance at Dec. 31, 2021			$ 49,187	$ 127,104	$ 2,908,827	$ (190,465)	$ (1,068,163)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		$ 40,685			40,685
Other Comprehensive Income (Loss), Net of Tax		(1,059)				(1,059)
Dividends paid/declared					(6,932)
Restricted stock				(8,523)			8,523
Employee Stock Purchase Plan				814			4,470
Share-based compensation				3,714			95
Repurchases of common stock	[1]						(18,857)
Other				(506)			506
Ending Balance at Mar. 31, 2022			49,187	122,603	2,942,580	(191,524)	(1,073,426)
Beginning Balance at Dec. 31, 2021			49,187	127,104	2,908,827	(190,465)	(1,068,163)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other Comprehensive Income (Loss), Net of Tax		(68,451)
Ending Balance at Dec. 31, 2022		1,992,119	49,187	134,553	3,174,396	(258,916)	(1,107,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		56,846			56,846
Other Comprehensive Income (Loss), Net of Tax		14,474				14,474
Dividends paid/declared					(7,298)
Restricted stock				(13,805)			13,805
Employee Stock Purchase Plan				1,483			3,742
Share-based compensation				4,939			240
Repurchases of common stock	[1]						(12,386)
Other				(261)			261
Ending Balance at Mar. 31, 2023		$ 2,054,159	$ 49,187	$ 126,909	$ 3,223,944	$ (244,442)	$ (1,101,439)

[1] For both the three months ended March 31, 2023 and 2022, the Corporation repurchased approximately 0.1 million shares of its common stock.